1、The surface is quite smooth which offers a comfortable feeling and nice appearance 2、The hardness and endurance of the surface are improved 3、Antirust precision ground and hand inspected 4、This MT2 holder has better cleanness and more stable accuracy 5、It is well packed in a container which will protect holder from damage Features: The surface is quite smooth which offers a comfortable feeling and nice appearance. The hardness and endurance of the surface are improved. Antirust precision ground and hand inspected. This MT2 holder has better cleanness and more stable accuracy. It is well packed in a container which will protect holder from damage. This MT2 holder is suitable for all ER20 collets. Specifications: Material: Carbon steel Type: ER20 MT2 M10 Thread Outer Diameter: M10 Nut Outer Diameter: 34mm Clamp Capacity: 1mm-13mm Quantity: 1pc Package Includes: 1 x MT2 Holder